Ascon Tecnologic - X30A - OPERATING INSTRUCTIONS - PAG. 5
7. COMMUNICATIONS PROTOCOL
7.1
Serial communications protocol and programmable parameter table
7.1.1
Variables zones
All data are Read-only.
Variable
HEX
address
Description
no. of
decimals
Values
207
Alarm Status (first part)
b0: Not used;
b1: 1 = Overrange Pr1 probe (E1);
b2: 1 = Underrange Pr1 probe (-E1);
b3: 1 = Overrange Pr2 probe (E2);
b4: 1 = Underrange Pr2 probe (-E2);
b5: 1 = Overrange Pr3 probe (E3);
b6: 1 = Underrange Pr3 probe (-E3);
b7: 1 = Overrange Pr4 probe (E4);
b8: 1 = Underrange Pr4 probe (-E4);
b9: 1 = Max. alarm H1;
b10: 1 = Min. alarm L1;
b11: 1 = Max. alarm H2;
b12: 1 = Min. alarm L2;
b13, b14, b15: Not used.
Pr1
225
Process Value probe Pr1
1
-99.9 ÷ 999.0
Pr2
226
Process Value probe Pr2
1
-99.9 ÷ 999.0
Pr3
227
Process Value probe Pr3
1
-99.9 ÷ 999.0
Pr4
228
Process Value probe Pr4
1
-99.9 ÷ 999.0
di1
229
Status Digital Input 1
0 = Open;
1 = Closed.
di2
22A
Status Digital Input 2
0 = Open;
1 = Closed.
di3
22B
Status Digital Input 3
0 = Open;
1 = Closed.
di4
22C
Status Digital Input 4
0 = Open;
1 = Closed.
Out1
22D
Status Out 1
0 = OFF;
1 = ON.
Out2
22E
Status Out 2
0 = OFF;
1 = ON.
Out3
22F
Status Out 3
0 = OFF;
1 = ON.
Out4
230
Status Out 4
0 = OFF;
1 = ON.
231
Alarm Status (second part)
b0: 1 = Alarm HP;
b1: 1 = Alarm LP;
b2: 1 = Delay at Power ON (od);
b3: 1 = Dooer open alarm (oP);
b4: 1 = Alarm HACCP active or not acknowledged;
b5... b15: Not used.
The anomaly conditions of Process Variables (measurements) are reported as special values:
Anomalous condition
Value sent back to the correspondent address
Instrument error
Measuring input short circuit
-10000
-E
Measuring input open circuit
10000
E
Overflow (A/D conv.)
10001
Variable not available
10003
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